--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/painting/qpaintengineex_p.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,264 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPAINTENGINEEX_P_H
+#define QPAINTENGINEEX_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtGui/qpaintengine.h>
+#include <QtGui/qdrawutil.h>
+
+#include <private/qpaintengine_p.h>
+#include <private/qstroker_p.h>
+#include <private/qpainter_p.h>
+#include <private/qvectorpath_p.h>
+
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class QPainterState;
+class QPaintEngineExPrivate;
+struct StrokeHandler;
+
+struct QIntRect {
+ int x1, y1, x2, y2;
+ inline void set(const QRect &r) {
+ x1 = r.x();
+ y1 = r.y();
+ x2 = r.right() + 1;
+ y2 = r.bottom() + 1;
+ // We will assume normalized for later...
+ Q_ASSERT(x2 >= x1);
+ Q_ASSERT(y2 >= y1);
+ }
+};
+
+class QRectVectorPath : public QVectorPath {
+public:
+ inline void set(const QRect &r) {
+ qreal left = r.x();
+ qreal right = r.x() + r.width();
+ qreal top = r.y();
+ qreal bottom = r.y() + r.height();
+ pts[0] = left;
+ pts[1] = top;
+ pts[2] = right;
+ pts[3] = top;
+ pts[4] = right;
+ pts[5] = bottom;
+ pts[6] = left;
+ pts[7] = bottom;
+ }
+
+ inline void set(const QRectF &r) {
+ qreal left = r.x();
+ qreal right = r.x() + r.width();
+ qreal top = r.y();
+ qreal bottom = r.y() + r.height();
+ pts[0] = left;
+ pts[1] = top;
+ pts[2] = right;
+ pts[3] = top;
+ pts[4] = right;
+ pts[5] = bottom;
+ pts[6] = left;
+ pts[7] = bottom;
+ }
+ inline QRectVectorPath(const QRect &r)
+ : QVectorPath(pts, 4, 0, QVectorPath::RectangleHint | QVectorPath::ImplicitClose)
+ {
+ set(r);
+ }
+ inline QRectVectorPath(const QRectF &r)
+ : QVectorPath(pts, 4, 0, QVectorPath::RectangleHint | QVectorPath::ImplicitClose)
+ {
+ set(r);
+ }
+ inline QRectVectorPath()
+ : QVectorPath(pts, 4, 0, QVectorPath::RectangleHint | QVectorPath::ImplicitClose)
+ { }
+
+ qreal pts[8];
+};
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug Q_GUI_EXPORT &operator<<(QDebug &, const QVectorPath &path);
+#endif
+
+class QPixmapFilter;
+
+class Q_GUI_EXPORT QPaintEngineEx : public QPaintEngine
+{
+ Q_DECLARE_PRIVATE(QPaintEngineEx)
+public:
+ QPaintEngineEx();
+
+ virtual QPainterState *createState(QPainterState *orig) const;
+
+ virtual void draw(const QVectorPath &path);
+ virtual void fill(const QVectorPath &path, const QBrush &brush) = 0;
+ virtual void stroke(const QVectorPath &path, const QPen &pen);
+
+ virtual void clip(const QVectorPath &path, Qt::ClipOperation op) = 0;
+ virtual void clip(const QRect &rect, Qt::ClipOperation op);
+ virtual void clip(const QRegion ®ion, Qt::ClipOperation op);
+ virtual void clip(const QPainterPath &path, Qt::ClipOperation op);
+
+ virtual void clipEnabledChanged() = 0;
+ virtual void penChanged() = 0;
+ virtual void brushChanged() = 0;
+ virtual void brushOriginChanged() = 0;
+ virtual void opacityChanged() = 0;
+ virtual void compositionModeChanged() = 0;
+ virtual void renderHintsChanged() = 0;
+ virtual void transformChanged() = 0;
+
+ virtual void fillRect(const QRectF &rect, const QBrush &brush);
+ virtual void fillRect(const QRectF &rect, const QColor &color);
+
+ virtual void drawRoundedRect(const QRectF &rect, qreal xrad, qreal yrad, Qt::SizeMode mode);
+
+ virtual void drawRects(const QRect *rects, int rectCount);
+ virtual void drawRects(const QRectF *rects, int rectCount);
+
+ virtual void drawLines(const QLine *lines, int lineCount);
+ virtual void drawLines(const QLineF *lines, int lineCount);
+
+ virtual void drawEllipse(const QRectF &r);
+ virtual void drawEllipse(const QRect &r);
+
+ virtual void drawPath(const QPainterPath &path);
+
+ virtual void drawPoints(const QPointF *points, int pointCount);
+ virtual void drawPoints(const QPoint *points, int pointCount);
+
+ virtual void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode);
+ virtual void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode);
+
+ virtual void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) = 0;
+ virtual void drawPixmap(const QPointF &pos, const QPixmap &pm);
+
+ virtual void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr,
+ Qt::ImageConversionFlags flags = Qt::AutoColor) = 0;
+ virtual void drawImage(const QPointF &pos, const QImage &image);
+
+ virtual void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s);
+
+ virtual void drawPixmaps(const QDrawPixmaps::Data *drawingData, int dataCount, const QPixmap &pixmap, QFlags<QDrawPixmaps::DrawingHint> hints);
+
+ virtual void updateState(const QPaintEngineState &state);
+
+ virtual void setState(QPainterState *s);
+ inline QPainterState *state() { return static_cast<QPainterState *>(QPaintEngine::state); }
+ inline const QPainterState *state() const { return static_cast<const QPainterState *>(QPaintEngine::state); }
+
+ virtual void sync() {}
+
+ virtual void beginNativePainting() {}
+ virtual void endNativePainting() {}
+
+ // Return a pixmap filter of "type" that can render the parameters
+ // in "prototype". The returned filter is owned by the engine and
+ // will be destroyed when the engine is destroyed. The "prototype"
+ // allows the engine to pick different filters based on the parameters
+ // that will be requested, and not just the "type".
+ virtual QPixmapFilter *pixmapFilter(int /*type*/, const QPixmapFilter * /*prototype*/) { return 0; }
+
+ // These flags are needed in the implementation of paint buffers.
+ enum Flags
+ {
+ DoNotEmulate = 0x01, // If set, QPainter will not wrap this engine in an emulation engine.
+ IsEmulationEngine = 0x02 // If set, this object is a QEmulationEngine.
+ };
+ virtual uint flags() const {return 0;}
+
+protected:
+ QPaintEngineEx(QPaintEngineExPrivate &data);
+};
+
+class Q_GUI_EXPORT QPaintEngineExPrivate : public QPaintEnginePrivate
+{
+ Q_DECLARE_PUBLIC(QPaintEngineEx)
+public:
+ QPaintEngineExPrivate();
+ ~QPaintEngineExPrivate();
+
+ void replayClipOperations();
+ bool hasClipOperations() const;
+
+ QStroker stroker;
+ QDashStroker dasher;
+ StrokeHandler *strokeHandler;
+ QStrokerOps *activeStroker;
+ QPen strokerPen;
+
+ QRect exDeviceRect;
+};
+
+inline uint QVectorPath::polygonFlags(QPaintEngine::PolygonDrawMode mode) {
+ switch (mode) {
+ case QPaintEngine::ConvexMode: return ConvexPolygonHint | ImplicitClose;
+ case QPaintEngine::OddEvenMode: return NonCurvedShapeHint | OddEvenFill | ImplicitClose;
+ case QPaintEngine::WindingMode: return NonCurvedShapeHint | WindingFill | ImplicitClose;
+ case QPaintEngine::PolylineMode: return NonCurvedShapeHint;
+ default: return 0;
+ }
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif